# 传入多个列表和字典，将所有列表传入args，将所有字典传入kwargs
"""

lst = ['1', '2', '1', 4]
lst1 = [5, 6, 7, 8]
dic = {'A': 1, 'B': 2}
dic1 = {'C': 3, 'D': 4}


def func1(*args, **kwargs):
    print(args)
    print(kwargs)


func1(*lst, *lst1, **dic, **dic1)
"""

lis = [1, 2, 3]
s = ''
for i in lis:
    s += str(i)+'_'
print(s[:-1])
